Three bright indicates sufficient electricity;
When two squares of light means less than half of the electricity;
A glistening indicates that there is almost no electricity, the use time may be less than 30 minutes;
If only the battery box shining, indicating that the battery is about to run out, there is the possibility of automatic shutdown at any time.
4 Frequency/channel/function indication
5 RF signal indicator
When the receiver receives the radio frequency signal from the wireless microphone, the indicator lights up.
6 Frequency/channel up key/auto search key
At the same time press 6 and 7 keys and then loosen, the receiver will enter the manual FM state (reference D.).
Press the key for about 3 seconds and the receiver enters the automatic search alignment state (reference E.).
Frequency channel down key